The Multi-Port Air Eject Die is a piece of state-of-the-art technology innovated by RotoMetrics to give you the most possible control over waste removal in metal-to-metal cutting applications. Air is passed down individual channels that are aligned with ejection points. With the Multi-Port Air Eject Die, you may also use a combination of compressed air and vacuum to select a specific die cut cavity and release it later in the die’s rotation. With each rotation of the Multi-Port Air Eject Die you can control, direct, and eject small pieces of waste into a waste collection device.